package main

import "fmt"

func main() {
	m := make(map[string]int)

	m["k1"] = 7
	m["k2"] = 13
	fmt.Println("map:", m)

	v1 := m["k1"]
	fmt.Println("v1:", v1)
	fmt.Println("len:", len(m))
	fmt.Println("-----------------")

	delete(m, "k2")
	fmt.Println("map:", m)
	fmt.Println("-----------------")

	val, prs := m["k1"]
	fmt.Println("val", val, "prs:", prs)
}
